.ripple{
    display: block;
    color: #fff;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    -webkit-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
    transition: all 0.2s ease;
    z-index: 0;
}
a {
    text-decoration: none;
    outline: none;
}

.ripple-effect{
  position: absolute;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  background: white;

    
  animation: ripple-animation 2s;
}


@keyframes ripple-animation {
    from {
      transform: scale(1);
      opacity: 0.4;
    }
    to {
      transform: scale(100);
      opacity: 0;
    }
}